A mixture of 150 liters of wine and water contains 20% water. How much more water should be added so that water becomes 25% of the new mixture?
Q1. A mixture of 150 liters of wine and water contains 20% water. How much more water should be added so that water becomes 25% of the new mixture?
Answer: 10 liters
Explanation: Initial water = 30 L; let x L be added. Equation: (30+x)/(150+x) = 0.25 gives x = 10 litres.